| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aruwimi | River (basin) | native | 106290 |
| Congo | River (basin) | endemic | 51193 |
| Ethiopian | Zoogeographic realm | endemic | 6803 |
| Léfini-Likouala | River (basin) | native | 44840 |
| Lukenie | River (basin) | native | 127185 |
| Marine Lower Congo | River (basin) | native | 1880 |
| Middle Congo | River (basin) | native | 41590 |
| Pool Malebo | Lake | native | 41585 |
| Ruki | River (basin) | native | 93897 |
| Sangha | River (basin) | native | 53209 |
| Ubangui | River (basin) | native | 45441 |
| Uélé | River (basin) | native | 42503 |